<p>See our <a href="https://www.bt.com/help/broadband/bt-cloud/getting-set-up/download-or-access-files/how-do-i-download-files--folders-and-devices-from-bt-cloud-">help page</a> for further information.</p>
Indeed it has! Thanks @Keith_Beddoe. Since the socket is well out of harm's way, behind a cupboard in the hallway, I'll leave the test socket connected until next year!